???? ????? ??????? metatungstate ????? ???? ?????? ?????? AMT ?????, ??????? ????? ????????????? ?? metatungstate ??????? ????? ??????? ?? ???? ????? ???????????? ????? ?????? (GFAAS), ???????????? ?????? ????? ???? (Faas) ? ?????????? ???????????? ????? ????? ?????? (ICP-MS), ?????, ?? ?? ???? ????? ???? ?? ????? ????? ????? ?????? ???? ????? ?????, ????? ???? ????? ?????? ????? ?????, ??? '..

?????: ????? ????, E ??????? ?????; R ?????? ?????; DL ?????? ????? ????.

????? ???? ??? ??????? ?? ?????? HMI / ICP-MS ??? ???? ????? ?? ?????? ?????? ?????? ??????? metatungstate, ??? ?????? ?? ??????? ?????? (???? Na, P, K, ???, ??, Sn, ? SB) ??? ???? ???? ?? ???? ?????????. GB_T 26033-2010 ammonium metatungstate provides the standard of Na, P, K , As, Mo and Sn and other impurities.

?????, ??? ?????? ?? ??? ????? ????? ?????-?????? ???????????? ????? ??????-???, ??? ?? ??? ?? ???? ????? ????? ???? -HG-AFS ????? ?????? ?????? ?? ??????; ???? ????? ?? ?? ??????? metatungstate ?? ??????? ?? ?????? ?????, ????????? ??? ?????? ?????? ???? ??? ???? ????? ????? ?? ??????.